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1998 Mercury Mountaineer 4.0L Poor Idle Quality, Surge
seems to have poor idle quality cold or hot and also surges and bucks when egr opens at 35-45 mph, disconect egr hose surge goes away but still poor idle, tried another used mass air flow sensor same symtoms, the only thing i see strange is the baro pid starts...
Summary posted 1/7/2004
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Related Documents & Media | VIN | 4M2ZU54E9W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Cold, on Accel, 35-45 Mph |
Message Closed w/Summary
Vehicle Data
1998 Mercury Mountaineer
| VIN | 4M2ZU54E9W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Cold, on Accel, 35-45 Mph |
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